PD 7021:1996
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Essential requirements for terminal equipment intended for connection to 4-wire analogue speechband leased lines of the public telecommunications network
Hardcopy , PDF
31-01-2014
English
15-06-1996
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Committees responsible
Foreword
1 Scope
2 References
3 Definitions, abbreviations and notation
4 Conformance principles
5 Connection requirements
6 Electrical requirements
7 Safety
8 Electromagnetic compatibility
Annexes
A (normative) Requirements tables
B (informative) Information for test purposes
C (informative) General conditions of test
D (normative) Measurement of transverse conversion
loss
E (normative) Signal power level determination
F (normative) Measurement of receive-to-transmit loss
Tables
1 Connection arrangements at line jack unit
2 Coordinates of limit curves for power level in a
10 Hz bandwidth
3 Coordinates of power level limit curve above 4.0 Hz
A.1 Connection requirements
A.2 Electrical characteristics requirements table
B.1 Identification of the implementation
B.2 Environmental test conditions
B.3 Additional information about the terminal equipment
C.1 Tolerances of components and physical quantities
E.1 Tests applicable to clauses 6.2 and 6.3
F.1 Limits of noise levels for noise criterion curve
NC15
Figures
1 Configuration convention
2 Transverse conversion loss
3 Limits of power level in a 10 Hz bandwidth of the
output signal from the TE
4 Power level limit above 4.0 kHz of the output level
from the TE
D.1 Circuit for the measurement of transverse conversion
loss
F.1 Axes used in the determination of free field
conditions for 1 m radius sphere
F.2 Noise criterion curve NC 15
List of references
| Committee |
TCT/301
|
| DevelopmentNote |
Inactive for new design. (07/2001)
|
| DocumentType |
Standard
|
| Pages |
26
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| BS 6328-1(1982) : LATEST | |
| 1989/336/EEC : 1989 | COUNCIL DIRECTIVE OF 3 MAY 1989 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO ELECTROMAGNETIC COMPATIBILITY |
| BS 2045:1965 | Preferred numbers |
| 1973/23/EEC : 1973 | COUNCIL DIRECTIVE OF 19 FEBRUARY 1973 ON THE HARMONIZATION OF THE LAWS OF MEMBER STATES RELATING TO ELECTRICAL EQUIPMENT DESIGNED FOR USE WITHIN CERTAIN VOLTAGE LIMITS |
| BS 6312-1:1994 | Connectors for analogue telecommunication interfaces Specification for plugs |
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